Welch, MN Radon Levels

Q: What EPA Radon Zone is Welch in?

Welch is in Goodhue County, EPA Zone 1.

Q: Why are radon readings shown from areas near Welch?

No homeowner radon tests have been submitted for Welch yet, so readings from the closest cities and the Goodhue County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Welch?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Welch radon levels and find certified testing and mitigation professionals to keep your home safe

Welch, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Goodhue County, MN

Zip Code 55089

Mississippi River bluff community Welch in Goodhue County lies within the Twin Cities metropolitan area, where glacial deposits and limestone bedrock create conditions conducive to radon accumulation. Located in EPA Zone 1 with high radon potential, this southeastern Minnesota community sits on geological formations known for producing elevated radon levels throughout the region. Testing data for zip code 55089 remains limited, making professional radon testing essential for homeowners, especially those with basement foundations common in Minnesota construction.

6.50

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.50 pCi/L, based on 20 tests from 10 nearby cities. No readings have been submitted for Welch yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Welch, MN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Welch?

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Radon Readings Near Welch, MN

No homeowner tests have been submitted for Welch yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Hastings	10.2 mi	8.50 pCi/L	2
Cottage Grove	18.9 mi	7.00 pCi/L	2
Farmington	21.4 mi	7.50 pCi/L	2
Northfield	23.9 mi	4.50 pCi/L	2
Lakeville	26.6 mi	6.00 pCi/L	1
Lake Elmo	28.4 mi	4.00 pCi/L	1
Elko New Market	29.7 mi	3.00 pCi/L	1
Saint Paul	30.2 mi	8.40 pCi/L	5

Goodhue County Radon Profile

Because of its underlying geology, Goodhue County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Goodhue County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Goodhue County home regardless of zone or a neighbor's results.

Radon FAQ for Welch, MN

What EPA Radon Zone is Welch in?

Welch and the 55089 zip code are in Goodhue County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Welch?

No homeowner radon tests have been submitted for Welch yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Goodhue County average—are the best available indicator of local conditions until Welch homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Welch?

Radon mitigation in Welch typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Welch?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.